Moog ACV Series - Servo Valve Position and Stage Names; Abbreviations; Figure 2: Servo Valve Position and Stage Names

Moog ACV with CANopen bus interface 1 General information
Abbreviations
B99224-DV018-D-211, Rev. A, October 2018 6
1.6.3 Servo valve position and stage names
Figure 2: Servo valve position and stage names
1.7 Abbreviations
T
P
B
A
X
Y
T
P
B
A
Spool position
Pilot position
Main stage position
s
u
s
u
s
u
Spool position
Pilot
Main stageMain stage
Dual stage servo valveSingle stage servo valve
Abbreviation Explanation
AC Alternating Current
CAN Controller Area Network
CANopen ISO/OSI Layer 7 protocol, specified by CAN in Automation (CiA)
CiA CAN in Automation
COB-ID Communication Object Identifier
DC Direct Current
DCV Moog Digital Control Valve
DSM Device State Machine
DSP Digital Signal Processor
EDS Electronics Datasheet, containing a description of the CANopen object dictionary
EEPROM Electrically erasable programmable read-only memory
iR Internal resolution defined by CiA 408
ISO International Engineering Consortium
LED Light Emitting Diode
LVDT Linear Variable Differential Transformer used to measure the valves spool position
NMT Network management according CANopen
NS Network Status
OD Object Dictionary
OSI Open Systems Interconnection
P Proportional gain element
PD Proportional derivative element
PDO Process Data Object
PE Protective earth / Electrical grounding
PPT1 Proportional first order lag element
ro Read only
rw Read write
RxPDO Receive Process Data Object
Table 1: Abbreviations (part 1 of 2)